UWTools
Developer Tools

JWT Decoder

Decode JWT header and payload locally and inspect common time-based claims.

—Token sections
—Algorithm claim
—Time status
Decoded data will appear here.

Decoding does not verify the JWT signature.

Important security note

This tool only decodes the Base64URL header and payload. It does not validate the signature, issuer, audience or trustworthiness of the token.

Common claims

exp is expiration time, iat is issued-at time and nbf is not-before time.